202210121210122 has 4 divisors (see below), whose sum is σ = 303315181815186. Its totient is φ = 101105060605060.

The previous prime is 202210121210117. The next prime is 202210121210147. The reversal of 202210121210122 is 221012121012202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 185765968900801 + 16444152309321 = 13629599^2 + 4055139^2 .

It is a super-2 number, since 2×202210121210122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202210121210122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50552530302529 + ... + 50552530302532.

Almost surely, 2^{202210121210122} is an apocalyptic number.

202210121210122 is a deficient number, since it is larger than the sum of its proper divisors (101105060605064).

202210121210122 is a wasteful number, since it uses less digits than its factorization.

202210121210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101105060605063.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202210121210122 its reverse (221012121012202), we get a palindrome (423222242222324).

The spelling of 202210121210122 in words is "two hundred two trillion, two hundred ten billion, one hundred twenty-one million, two hundred ten thousand, one hundred twenty-two".